PRELIMINARY
CYW43364
Contents
1. Overview ........................................................................4
1.1 Overview ...............................................................4
1.2 Features ................................................................5
1.3 Standards Compliance ..........................................5
2. Power Supplies and Power Management ...................6
2.1 Power Supply Topology ........................................6
2.2 CYW43364 PMU Features ....................................6
2.3 WLAN Power Management ...................................9
2.4 PMU Sequencing ..................................................9
2.5 Power-Off Shutdown ...........................................10
2.6 Power-Up/Power-Down/Reset Circuits ...............10
3. Frequency References ...............................................11
3.1 Crystal Interface and Clock Generation ..............11
3.2 TCXO ..................................................................12
3.3 External 32.768 kHz Low-Power Oscillator .........13
4. WLAN System Interfaces ...........................................14
4.1 SDIO v2.0 ............................................................14
4.2 Generic SPI Mode ...............................................15
5. Wireless LAN MAC and PHY .....................................24
5.1 MAC Features .....................................................24
5.2 PHY Description ..................................................26
6. WLAN Radio Subsystem ............................................28
6.1 Receive Path .......................................................28
6.2 Transmit Path ......................................................28
6.3 Calibration ...........................................................28
7. CPU and Global Functions ........................................29
7.1 WLAN CPU and Memory Subsystem ..................29
7.2 One-Time Programmable Memory ......................29
7.3 GPIO Interface ....................................................29
7.4 External Coexistence Interface ...........................30
7.5 JTAG Interface ...................................................32
7.6 UART Interface ...................................................32
8. Pinout and Signal Descriptions ................................33
8.1 Ball Map ..............................................................33
8.2 WLBGA Ball List in Ball Number Order with
8.5 WLAN GPIO Signals and Strapping Options ......41
8.6 Chip Debug Options ............................................41
8.7 I/O States ............................................................42
9. DC Characteristics .....................................................44
9.1 Absolute Maximum Ratings .................................44
9.2 Environmental Ratings ........................................44
9.3 Electrostatic Discharge Specifications ................45
9.4 Recommended Operating Conditions and
DC Characteristics .............................................45
10. WLAN RF Specifications ..........................................47
10.1 2.4 GHz Band General RF Specifications .........47
10.2 WLAN 2.4 GHz Receiver Performance
Specifications ...................................................48
10.3 WLAN 2.4 GHz Transmitter Performance
Specifications ...................................................51
10.4 General Spurious Emissions Specifications ......52
11. Internal Regulator Electrical Specifications ..........53
11.1 Core Buck Switching Regulator .........................53
11.2 3.3V LDO (LDO3P3) .........................................54
11.3 CLDO ................................................................55
11.4 LNLDO ..............................................................56
12. System Power Consumption ...................................57
12.1 WLAN Current Consumption .............................57
13. Interface Timing and AC Characteristics ...............58
13.1 SDIO Default Mode Timing ...............................58
13.2 SDIO High-Speed Mode Timing ........................59
13.3 gSPI Signal Timing ............................................60
13.4 JTAG Timing .....................................................61
14. Power-Up Sequence and Timing .............................62
14.1 Sequencing of Reset and Regulator Control
Signals ..............................................................62
15. Package Information ................................................63
15.1 Package Thermal Characteristics .....................63
16. Mechanical Information ...........................................64
17. Ordering Information ................................................66
Document History ..........................................................67
X-Y Coordinates .................................................34
8.3 WLBGA Ball List Ordered By Ball Name .............37
8.4 Signal Descriptions ..............................................38
Document Number: 002-14781 Rev. *C
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